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Re: MIfying stdarg.h and dropping varargs.h

On Tue, Jul 12, 2011 at 06:55:57PM +0200, Joerg Sonnenberger wrote:
 > - Drop varargs.h support. Pre-ANSI support is pretty pointless nowadays
 >   and it hasn't been supported by modern compilers for a long time.
 > - Merge all the MD stdarg.h implementations into sys/stdarg.h.
 >   There are two major cases here:
 >   - lint, which is stupid and gets some fake implementation of the
 >   builtins.
 >   - Real compiler, which are supposed to provide the GCC 4.5 builtins.
 >     Compiler not visible as GCC 4.5 map __builtin_va_start to
 >     __builtin_stdarg_start.

This and the rest should be separate packages, don't you think?

 > - Fix the _BSD_VA_LIST_ usage to actually define va_list in various
 >   places as required by POSIX.
 > - Include sys/stdarg.h from sys/systm.h, it's used enough to simplify
 >   the kernel sources that way.
 > - Stop abusing _BSD_VA_LIST_, just go with va_list directly, defining it
 >   as needed or including stdarg.h.

This breaks e.g. stdio.h, which is not allowed to define va_list.

David A. Holland

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